MULTI-WAY REVERSING VALVE
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Jul 27, 2011
filing date -
Jul 28, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-way reversing valve where a high-pressure passage part into which a high-pressure fluid is introduced is formed in a valve member. A valve seat part and valve chamber are in a valve body. First and second inlet/outlets (in communication with an outlet of the high-pressure passage part) are formed in the valve seat part. A low-pressure fluid is introduced into the valve chamber via the first or second inlet/outlet. An outlet-side end part of the high-pressure passage part is adapted to slide while pressed against a part of the valve seat part between the first and second inlet/outlet during a transitional stage of flow path reversal. The positions/dimensions/shapes of the outlet of the high-pressure passage part (and the first, second inlet/outlets) are designed so the high-pressure passage part outlet is in communication with at least one of the first/second inlet/outlet even during the transitional stage of flow path reversal.
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